Display control apparatus and display control method

Abstract

A display control apparatus including a first image data input unit to which first image data is input, a second image data input unit to which second image data is input, a user operation reception unit that receives a user operation, an image quality correction unit that performs image quality correction processing of input first image data in response to the user operation and generates and outputs image data for display of the first image data or of corrected first image data, an image quality adjustment unit that performs image quality adjustment processing of the image data output from the image quality correction unit and the second image data using preset parameters, and a control unit that controls the image quality adjustment unit to disable/enable the image quality adjustment processing with the image quality correction unit in on/off state, respectively.

What is claimed is: 
     
       1. A display control apparatus comprising:
 a first image data input unit configured to receive first image data from a television broadcast; 
 a second image data input unit to which second image data is input from an external apparatus; 
 a synthesizing unit configured to generate and output image data of one frame by synthesizing the first image data and the second image data; and 
 an image processing unit having an image editing function, capable of being set to on or off, to edit the second image data in response to a user instruction in a case where it is instructed to edit the second image data by a user before the second image data is input to the synthesizing unit in a case where the image editing function is set to on; 
 an image quality adjustment unit configured to, when a dynamic mode is enabled, perform image quality adjustment processing on the image data output from the synthesizing unit for automatically adjusting the image quality of the output image data in accordance with characteristics of the output image data if any of predetermined conditions is satisfied, and not to perform the image quality adjustment processing if none of the predetermined conditions is satisfied, 
 wherein the predetermined conditions include a condition that the image editing function of the image processing unit is set to off, and the dynamic mode is disabled upon editing the second image data by the image processing unit if the dynamic mode is in an enabled state. 
 
     
     
       2. The display control apparatus according to  claim 1 , further comprising a signal characteristics acquisition unit that acquires signal characteristics of the input first image data and the second image data,
 wherein the image quality adjustment unit sets parameters for the image quality adjustment processing based on the signal characteristics acquired by the signal characteristics acquisition unit. 
 
     
     
       3. The display control apparatus according to  claim 2 , wherein the parameters include at least one of the parameters for brightness, gamma correction, sharpness, color tone correction, and noise reduction. 
     
     
       4. The display control apparatus according to  claim 1 , further comprising a discrimination unit that identifies a format of the input second image data,
 wherein the predetermined conditions further include a condition that the second image data does not have photo information that is data representing image sensing conditions at a time of sensing an image. 
 
     
     
       5. The display control apparatus according to  claim 1 , wherein the predetermined conditions further include a condition that the user instruction to the second image data is not input from a user and a condition that a RAW file or a moving image file is not input to the second image input unit. 
     
     
       6. The display control apparatus according to  claim 1 , wherein the predetermined conditions further include a condition that the user instruction to the second image data is not input from a user and a condition that a JPEG file having image sensing information is not input to the second image input unit. 
     
     
       7. The display control apparatus according to  claim 1 , wherein the edition to the second image data includes image quality correction including contrast correction, sharpness correction, and color correction. 
     
     
       8. The display control apparatus according to  claim 1 , wherein the predetermined conditions include a condition in that an image having no photo information is input to the second image data input unit as the second image data. 
     
     
       9. The display control apparatus according to  claim 1  further comprising a determination unit configured to determine whether the image editing function is set to on or off,
 wherein in a case where the determination unit determines that the image editing function is set to off when the dynamic mode is disabled, the dynamic mode is enabled. 
 
     
     
       10. The display control apparatus according to  claim 1 , wherein the dynamic mode is a mode to adaptively vary each parameter used for adjusting the image quality of the output image data in accordance with the characteristics of the output image data. 
     
     
       11. A display control method comprising:
 inputting first image data from a television broadcast if it is received by a first image data input unit to a display control apparatus; 
 inputting second image data if it is input from an external apparatus by a second image data input unit to the display control apparatus; 
 editing the second image data in response to a user instruction in a case where it is instructed to edit the second image data by a user; 
 generating and outputting image data of one frame by synthesizing the first image data and the second image data in a case where both the first image data and the second image data are input; and 
 performing, when a dynamic mode is enabled, image quality adjustment processing on the output image data for automatically adjusting the image quality of the output image data in accordance with characteristics of the output image data if any of predetermined conditions is satisfied, and not to perform the image quality adjustment processing if none of the predetermined conditions is satisfied, 
 wherein the edition to the second image data is performed in a case where an image editing function, capable of being set to on or off, is set to on, and the predetermined conditions include a condition that the image editing function is set to off, and the dynamic mode is disabled upon editing the second image data if the dynamic mode is in an enabled state. 
 
     
     
       12. The display control method according to  claim 11 , further comprising a signal characteristics acquisition step of acquiring signal characteristics of the input first image data and the second image data,
 wherein parameters for the image quality adjustment processing are set in the image quality adjustment processing based on the signal characteristics acquired in the signal characteristics acquisition step. 
 
     
     
       13. The display control method according to  claim 12 , wherein the parameters include at least one of the parameters for brightness, gamma correction, sharpness, color tone correction, and noise reduction. 
     
     
       14. The display control method according to  claim 11 , further comprising a discrimination step of identifying a format of the input second image data,
 wherein the predetermined conditions further include a condition that the second image data does not have photo information that is data representing image sensing conditions at a time of sensing an image. 
 
     
     
       15. The display control method according to  claim 11 , wherein the predetermined conditions further include a condition that the user instruction to the second image data is not input from a user and a condition that a RAW file or a moving image file is not input as the second image data. 
     
     
       16. The display control method according to  claim 11 , wherein the predetermined conditions further include a condition that the user instruction to the second image data is not input from a user and a condition that a JPEG file having image sensing information is not input as the second image data. 
     
     
       17. The display control method according to  claim 11 , wherein the edition to the second image data includes image quality correction including contrast correction, sharpness correction, and color correction. 
     
     
       18. The display control method according to  claim 11 , wherein the predetermined conditions include a condition in that an image having no photo information is input by the second image data input unit as the second image data. 
     
     
       19. The display control method according to  claim 11  further comprising determining whether the image editing function is set to on or off,
 wherein in a case where it is determined that the image editing function is set to off when the dynamic mode is disabled, the dynamic mode is enabled. 
 
     
     
       20. The display control method according to  claim 11 , wherein the dynamic mode is a mode to adaptively vary each parameter used for adjusting the image quality of the output image data in accordance with the characteristics of the output image data.